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Detection of Ia epitopes by monoclonal antibody blotting
Monoclonal antibodies directed against human Ia alpha- and beta-subunit chains have been used as probes to detect polypeptides carrying recognized antigenic determinants or epitopes following two-dimensional PAGE separation. Approximately 4 sets of components differing in isoelectric point but not in molecular weight are recognized by each antibody. The anti-alpha-chain, McAb, reacts weakly with spots designated as epsilon but neither antibody recognizes Im, Ii or delta determinants under the conditions tested.
Monoclonal antibodies directed against human Ia alpha- and beta-subunit chains have been used as probes to detect polypeptides carrying recognized antigenic determinants or epitopes following two-dimensional PAGE separation. Approximately 4 sets of components differing in isoelectric point but not in molecular weight are recognized by each antibody. The anti-alpha-chain, McAb, reacts weakly with spots designated as epsilon but neither antibody recognizes Im, Ii or delta determinants under the conditions tested.